Circumflex

Definition:

(n.) A wave of the voice embracing both a rise and fall or a fall and a rise on the same a syllable.
(n.) A character, or accent, denoting in Greek a rise and of the voice on the same long syllable, marked thus [~ or /]; and in Latin and some other languages, denoting a long and contracted syllable, marked [/ or ^]. See Accent, n., 2.
(v. t.) To mark or pronounce with a circumflex.
(a.) Moving or turning round; circuitous.
(a.) Curved circularly; -- applied to several arteries of the hip and thigh, to arteries, veins, and a nerve of the shoulder, and to other parts.

Compare circumflex with other words:

circumflect vs. circumflex